... : Xuzhou kaidi sauna Co.,ltd is a professional manufacturer of Infrared sauna cabin ,Traditional Finnish sauna rooms , Sauna ... thermometer&hygrometer ,hourglass ,sauna stone ,sauna lamp etc ) Certificate : All of our products approved " ETL" ," CE" ," ROHS"," " ISO9001" certificate . ... Warranty : 2 years for electrical parts , 1 years for CD/Radio ,TV etc ; 10years for wood ;lifetime for infrared ...